diablo 1.5 is used during the build process of jdk 1.6. It isn't a run time dependency and is safe to remove. However, if you upgrade jdk 1.6 in the future, it may try to rebuild diablo as a dependency.

diablo 1.5 is used during the build process of jdk 1.6. It isn't a run time dependency and is safe to remove. However, if you upgrade jdk 1.6 in the future, it may try to rebuild diablo as a dependency.